use new os-base with dhcpcd

cmd/network/network.go

@@ -116,7 +116,7 @@ func ApplyNetworkConfigs(netCfg *config.NetworkConfig) error {
 func applyNetConf(link netlink.Link, netConf config.InterfaceConfig) error {
 	if netConf.DHCP {
 		log.Infof("Running DHCP on %s", link.Attrs().Name)
-		cmd := exec.Command("udhcpc", "-i", link.Attrs().Name, "-t", "20", "-n")
+		cmd := exec.Command("dhcpcd", link.Attrs().Name)
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr
 		if err := cmd.Run(); err != nil {

config/default.go

@@ -211,10 +211,8 @@ func NewConfig() *Config {
 			},
 			"network": {
 				Image: "network",
-				CapAdd: []string{
-					"NET_ADMIN",
-				},
-				Net: "host",
+				Privileged: true,
+                                Net: "host",
 				Labels: []string{
 					DETACH + "=false",
 				},